75020775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 131324928

約数和(自身を除く): 56304153

約数列:

[1, 3, 5, 15, 25, 31, 41, 75, 93, 123, 155, 205, 465, 615, 775, 787, 1025, 1271, 2325, 2361, 3075, 3813, 3935, 6355, 11805, 19065, 19675, 24397, 31775, 32267, 59025, 73191, 95325, 96801, 121985, 161335, 365955, 484005, 609925, 806675, 1000277, 1829775, 2420025, 3000831, 5001385, 15004155, 25006925, 75020775]

約数ペア:

[(1, 75020775), (3, 25006925), (5, 15004155), (15, 5001385), (25, 3000831), (31, 2420025), (41, 1829775), (75, 1000277), (93, 806675), (123, 609925), (155, 484005), (205, 365955), (465, 161335), (615, 121985), (775, 96801), (787, 95325), (1025, 73191), (1271, 59025), (2325, 32267), (2361, 31775), (3075, 24397), (3813, 19675), (3935, 19065), (6355, 11805)]